Crib endboard frame



FIG. 1 is a top perspective view of a crib endboard frame showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof; and,

FIG. 4 is a side elevation view thereof, the opposite side being a mirror-image thereof.

The bottom and rear views (not shown) form no part of the claimed design. The subject matter shown in broken lines forms no part of the claimed design. 

The ornamental design of a crib endboard frame, as shown and described. 